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Hi everyone! Take a look at my portfolio projects.
https://www.indiehackers.com/DayGZax
They are made with Blockchain technologies, React.js and Firebase. I am searching for a part-time Blockchain remote job since I am a .NET developer full time and Blockchain has always been my field of interest. What do you think of my websites? Do they have potential, especially Beat Exchange? :D
indiehackers.com
Zarko Nikolic (@DayGZax) on Indie Hackers
Web3 Software Developer with Web2 skills like React.js, Blockchain && .NET && Flutter.
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Building Blockchain Infrastructure and SEO-Driven Web Platforms at ConstructKoin
Working as a Senior Blockchain Engineer at ConstructKoin gave me the opportunity to build both blockchain infrastructure and scalable web systems in the Web3 and real-estate finance space.
ConstructKoin is building an AI-powered real-estate backed blockchain finance ecosystem, combining tokenized finance with real-world asset-backed lending. ()
My role covered smart contract architecture, presale systems, dashboard development, and SEO-focused web platforms.
Built and deployed the token presale smart contract, handling token distribution logic, purchase validation, and secure presale workflows.
Designed the blockchain transaction flow for investor participation, wallet integrations, and token claiming systems.
Developed the admin panel for managing users, token sales, analytics, and platform operations.
Built the user dashboard where investors could track purchases, manage allocations, and monitor token-related activity.
Developed backend systems using Node.js for secure API management, user authentication, transaction tracking, and dashboard operations.
Built frontend systems using React.js to create fast, scalable, and user-friendly investor experiences.
Integrated wallet connection systems and payment workflows for seamless token purchases.
Worked on blockchain logic optimization, contract interaction handling, and transaction reliability improvements.
Built and optimized WordPress websites for marketing and organic growth with strong technical SEO foundations.
Improved SEO performance through optimized architecture, Core Web Vitals improvements, structured data, metadata systems, and search indexing optimization.
Implemented scalable content structures and conversion-focused landing pages to support token marketing campaigns.
This experience allowed me to combine blockchain engineering with product development and SEO strategy, building systems that were both technically strong and growth-focused.
Working across smart contracts, backend systems, frontend dashboards, and SEO-focused web platforms strengthened my expertise in full-cycle Web3 product development.
Blockchain products are not only about smart contracts — they need strong infrastructure, seamless user experiences, and scalable growth systems to succeed.
ConstructKoin was a great example of building all of those together.
Sounds great!!!
How did you implement fiet-crypto payments?
Using the new Contra Co-Agent to speed up implementation of the advice I had already gotten and the changes I slowly started making. Discovery Score is starting to oscillate all over the place as I make significant changes, but the momentum of going up is there.
The biggest things to still work on is getting the projects released, and my case studies done.
Oh, tell me more about the co-agent
Graphic design for me is not only brand design in 5 visual styles, i am seeking something more, and my philosphy in designing to explore as many worlds and styles as possible.
Here is a poster for an art exhibition I designed back in 2024 :)
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